Periphery roof areas
The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?
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By Roger Shelton – 1 June 2008, Build 106
The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?
By Tony Conder – 1 December 2004, Build 85
Roof bracing is one element in a continuum that provides resistance to horizontal loads. It works with the wall and foundation bracing to supply a total bracing package for a building.
By Alide Elkink – 1 April 2007, Build 99
Installing insulation retrospectively can be costly and difficult but it greatly reduces heating costs and improves home comfort. Retrofitting roof space insulation is usually the simplest, most effective option and is fully justified by the cost savings.
By Alide Elkink – 1 April 2011, Build 123
The roof is usually the first thing to fail when a building is damaged in a severe storm. This risk can be minimised by making sure there are good structural connections.
By Tom Edhouse – 1 February 2013, Build 134
We complete this four-part Build series on calculating bracing requirements by looking at roof bracing.
By Alide Elkink – 1 December 2015, Build 151
Collecting rainwater for drinking can be practical, money saving and sometimes necessary. For safety’s sake, though, it’s important to have the correct set-up that is regularly maintained.
By Graeme Beattie – 1 August 2008, Build 107
Strong wind causes damage to houses, particularly their roofs. A recent BRANZ study started by defining ‘extreme winds’ before developing retrofit solutions to ensure roofs on older houses are adequately secured.
1 October 2005, Build 90
For most skillion roofs the amount of air movement in the roof cavity, although limited, is sufficient to remove small amounts of vapour. The trick is to keep those amounts of water vapour small.
By Alide Elkink – 1 December 2014, Build 145
Judging by the number of calls to the BRANZ Helpline, there’s some confusion around bracing requirements for monopitch roofs. Here, we sort out the issue.
By In Ling Ng – 1 October 2015, Build 150
Most timber trusses are delivered to site as one-piece building components. However, occasionally they are delivered in sections and must be joined on site. Correct installation of these is critical to maintain the designed load paths.